21764268

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6949}}^1$

素因数の和:6991

約数の個数: 48

約数和(自身を含む): 58380000

約数和(自身を除く): 36615732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6949, 13898, 20847, 27796, 41694, 62541, 83388, 125082, 187623, 201521, 250164, 375246, 403042, 604563, 750492, 806084, 1209126, 1813689, 2418252, 3627378, 5441067, 7254756, 10882134, 21764268]

約数ペア:

[(1, 21764268), (2, 10882134), (3, 7254756), (4, 5441067), (6, 3627378), (9, 2418252), (12, 1813689), (18, 1209126), (27, 806084), (29, 750492), (36, 604563), (54, 403042), (58, 375246), (87, 250164), (108, 201521), (116, 187623), (174, 125082), (261, 83388), (348, 62541), (522, 41694), (783, 27796), (1044, 20847), (1566, 13898), (3132, 6949)]